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2026-06-16 - 05:04
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Tue Jun 16, 2026 00:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12679212563,6sleep10-21swapper/119:08:091
12773212363,7sleep30-21swapper/319:09:233
125482115105,7sleep20-21swapper/219:06:302
12812210797,7sleep00-21swapper/019:09:530
321712620,1sleep229-21rcuc/221:15:242
256342620,0sleep3391ktimersoftd/319:15:233
290672590,0sleep10-21swapper/119:20:181
278852580,0sleep00-21swapper/023:35:180
41002550,1sleep34104-21timerwakeupswit20:50:223
186942550,0sleep3391ktimersoftd/320:35:203
248062500,1sleep124809-21kthreadcore23:05:201
1299599331,22cyclictest0-21swapper/019:20:110
1299599280,24cyclictest0-21swapper/022:05:180
1299599280,1cyclictest22009-21idleruntime-cro23:05:000
1300199270,26cyclictest0-21swapper/223:51:262
1300199270,26cyclictest0-21swapper/223:47:142
1300199270,26cyclictest0-21swapper/222:28:102
1300199270,26cyclictest0-21swapper/222:09:022
1300199270,26cyclictest0-21swapper/221:59:182
1300199270,26cyclictest0-21swapper/220:57:122
1299799270,26cyclictest0-21swapper/122:29:101
1299799270,26cyclictest0-21swapper/120:17:411
1299799270,26cyclictest0-21swapper/100:12:391
12995992719,7cyclictest749-21snmpd00:00:560
12995992716,9cyclictest749-21snmpd19:33:450
1300199260,26cyclictest0-21swapper/223:00:102
1300199260,25cyclictest0-21swapper/223:14:472
1300199260,25cyclictest0-21swapper/222:24:132
1300199260,25cyclictest0-21swapper/220:02:242
1300199260,25cyclictest0-21swapper/219:34:562
1300199260,25cyclictest0-21swapper/200:16:152
1300199260,13cyclictest0-21swapper/220:35:132
12997992623,2cyclictest0-21swapper/122:59:021
1299799260,25cyclictest0-21swapper/123:04:131
1299799260,25cyclictest0-21swapper/121:18:061
12995992618,7cyclictest749-21snmpd22:50:010
12995992618,7cyclictest749-21snmpd20:53:210
12995992618,7cyclictest749-21snmpd19:53:420
12995992618,7cyclictest749-21snmpd19:26:220
12995992618,7cyclictest749-21snmpd19:13:470
12995992618,5cyclictest749-21snmpd21:53:270
1300199250,24cyclictest0-21swapper/221:03:032
12997992521,3cyclictest0-21swapper/100:37:331
1299799250,24cyclictest0-21swapper/122:06:271
12995992517,7cyclictest749-21snmpd21:28:120
12995992517,7cyclictest749-21snmpd20:12:240
1300199241,21cyclictest0-21swapper/221:45:212
12997992422,2cyclictest0-21swapper/119:54:591
12997992421,2cyclictest0-21swapper/123:12:201
12997992421,2cyclictest0-21swapper/120:10:031
12997992420,3cyclictest0-21swapper/121:31:061
12995992417,6cyclictest749-21snmpd22:41:020
12995992416,7cyclictest749-21snmpd22:21:070
12995992416,7cyclictest749-21snmpd22:10:400
12995992416,7cyclictest749-21snmpd20:25:000
12995992416,7cyclictest749-21snmpd00:31:020
12995992415,7cyclictest749-21snmpd21:37:570
13001992320,3cyclictest0-21swapper/219:57:422
1300199230,22cyclictest0-21swapper/200:03:512
12997992321,2cyclictest0-21swapper/121:36:551
12997992321,2cyclictest0-21swapper/121:05:511
12997992321,2cyclictest0-21swapper/120:51:001
12997992321,2cyclictest0-21swapper/119:11:291
12997992320,3cyclictest0-21swapper/100:25:211
12997992319,3cyclictest0-21swapper/100:18:441
12995992316,6cyclictest749-21snmpd20:20:000
12995992316,6cyclictest749-21snmpd00:14:570
12995992315,7cyclictest749-21snmpd22:47:310
12995992315,7cyclictest749-21snmpd19:43:020
12995992315,7cyclictest749-21snmpd00:07:170
12995992315,5cyclictest749-21snmpd21:17:210
1299599230,9cyclictest0-21swapper/023:25:120
1299599230,22cyclictest0-21swapper/022:56:200
1299599230,19cyclictest0-21swapper/000:35:230
13001992220,2cyclictest0-21swapper/221:43:332
13001992219,1cyclictest752-21lldpd21:06:582
13001992218,3cyclictest749-21snmpd22:36:042
1300199221,20cyclictest0-21swapper/221:52:062
1300199220,21cyclictest0-21swapper/222:00:142
1300199220,21cyclictest0-21swapper/219:16:292
12997992221,1cyclictest0-21swapper/119:31:271
12997992220,2cyclictest0-21swapper/123:23:191
12997992220,2cyclictest0-21swapper/123:15:441
12997992220,2cyclictest0-21swapper/123:15:431
12997992220,2cyclictest0-21swapper/122:51:431
12997992220,2cyclictest0-21swapper/122:40:071
12997992220,2cyclictest0-21swapper/122:21:071
12997992219,2cyclictest0-21swapper/123:36:161
12997992218,3cyclictest0-21swapper/119:41:081
1299799220,21cyclictest0-21swapper/122:45:281
1299799220,21cyclictest0-21swapper/120:25:121
12995992219,2cyclictest0-21swapper/022:35:000
12995992216,5cyclictest749-21snmpd23:05:010
12995992215,6cyclictest749-21snmpd23:40:110
12995992215,6cyclictest749-21snmpd20:49:450
12995992215,6cyclictest749-21snmpd19:36:120
12995992213,8cyclictest749-21snmpd20:27:510
1299599221,19cyclictest0-21swapper/020:30:160
13001992117,3cyclictest0-21swapper/200:13:452
1300199211,2cyclictest0-21swapper/200:30:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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